Type	Name	Date
Credit agreement	Fourth Amendment to the Amended and Restated Credit Agreement	05/06/2020
Credit agreement	Third Amendment to the Amended and Restated Credit Agreement	02/21/2020
Credit agreement	Second Amendment to the Amended and Restated Credit Agreement	08/15/2019
Credit agreement	Amended and Restated Credit Agreement	01/07/2019
Credit agreement	Amended and Restated Credit Agreement, by and between Nytis Exploration Company LLC and Bank of Oklahoma, National Association	03/31/2011
Credit agreement	Amended and Restated Credit Agreement, by and between Nytis Exploration Company LLC and Bank of Oklahoma, National Association	03/31/2011
Credit agreement	Amended and Restated Credit Agreement, by and between Nytis Exploration Company LLC and Bank of Oklahoma, National Association	03/31/2011

Type	Name	Date
Equity incentive plans	Carbon Natural Gas Company 2011 Stock Incentive Plan	12/13/2011

Type	Name	Date
Merger agreement	Agreement and Plan of Merger by and among the Company, St. Lawrence Merger Sub, Inc. and Nytis Exploration (USA) Inc	02/01/2011